package edu.Ding;

public class test {


    public static void main(String args[]){
        int[][] a = {{1,3,5},{-3,6,0},{1,-5,7},{-2,1,2}};
        int[][] b = {{0,-1,-2},{7,-1,6},{-6,1,2},{1,-8,-1}};
        int [][] sum = new int[4][3];

        int[][] minus =new int[4][3];
        int[][] c = new int[4][3];
        System.out.println(a.length);


        for(int i=0;i<a.length;i++){
            for(int j=0;j<a[i].length;j++){
                System.out.print(a[i].length);
            }
        }
        System.out.println();
        for(int i=0;i<a.length;i++){
            for(int j=0;j<a[i].length;j++){
                System.out.println(a[i].length);
                for(int k=0;k<a[j].length;k++) {
                    System.out.print(a[j].length);
                }
            }
        }

        // System.out.println(minus);
        // System.out.println(c+" ");

    }
}

